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Table 4 Prevalence and 3-years-incidences of blindness in Jing-An district, Shanghai, China.

From: Causes and 3-year-incidence of blindness in Jing-An District, Shanghai, China 2001-2009

  2001-2003 2004-2006 2007-2009
Population(10,000) 33.24 30.96 30.97
Blind 378 458 514
Prevalence rate (95%CI)(1/100,1000) 113.7(102.3-125.2) 147.9(134.4-161.5) 165.9(151.6-180.3)
New blind 100 106 142
3-year-incidence (95%CI) (1/100,1000) 32.3(26.0-38.6) 34.22(27.7-40.7) 47.78(40.1-55.5)